As of recently, my display configuration is no longer remembered in a wayland session (it works fine on X11). The problem is worsened by the fact that often when connecting an external display, plasmashell (hence the display applet) and the display configuration kcm crash, making it impossible as far as I know to alter the display configuration. On wayland, is it possible to force a configuration from the terminal? I want just the external display to be powered.
We should debug the issue instead of offering a workaround. :) Can you also please file another bug report for the Plasma crash? I would also be interested to know if it's fixed in Plasma 5.25, as we did a lot of multi-monitor work there. Any chance you could upgrade to the Plasma 5.25 beta (or the final release in a week and a half) and see if it's fixed there?
I'll file another bug for the plasmashell crash--I suppose under the plasmashell component and not kwin wayland, although it happens only on wayland? I won't be able to upgrade to 5.25 until probably the first bugfix release since I'm on Manjaro testing and that's how they usually do things. I'll report back (new bug report) if it's fixed though.
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This bug has been in NEEDSINFO status with no change for at least 30 days. The bug is now closed as RESOLVED > WORKSFORME due to lack of needed information. For more information about our bug triaging procedures please read the wiki located here: https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging Thank you for helping us make KDE software even better for everyone!